/**
 * OneScreen Modern Light Design System & Theme
 * DOOH (Digital Out Of Home) Vitrine Advertising
 * Clean, Simple & Modern Light Aesthetic
 */

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@400;500;600;700;800;900&family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap');
@import url('https://cdn.jsdelivr.net/npm/bootstrap-icons@1.11.3/font/bootstrap-icons.min.css');

:root {
  /* Clean Light Backgrounds */
  --os-bg-main: #F8FAFC;
  --os-bg-secondary: #F1F5F9;
  --os-bg-card: #FFFFFF;
  --os-bg-card-hover: #FFFFFF;
  --os-bg-subtle: #F0F9FF;

  /* Borders */
  --os-border: #E2E8F0;
  --os-border-light: #F1F5F9;
  --os-border-focus: #0284C7;

  /* Primary Accent & Gradients */
  --os-primary: #0284C7;
  --os-primary-light: #38BDF8;
  --os-primary-dark: #0369A1;
  --os-gradient-primary: linear-gradient(135deg, #0284C7 0%, #2563EB 100%);
  --os-gradient-accent: linear-gradient(135deg, #059669 0%, #10B981 100%);

  /* Status Accents */
  --os-accent-green: #059669;
  --os-accent-emerald: #10B981;
  --os-accent-amber: #D97706;
  --os-accent-rose: #E11D48;

  /* Text Colors (High Contrast & Clear) */
  --os-text-heading: #0F172A;
  --os-text-title: #1E293B;
  --os-text-body: #475569;
  --os-text-muted: #64748B;
  --os-text-light: #94A3B8;
  --os-text-white: #FFFFFF;

  /* Typography */
  --os-font-heading: 'Outfit', sans-serif;
  --os-font-body: 'Plus Jakarta Sans', sans-serif;

  /* Border Radii */
  --os-radius-sm: 8px;
  --os-radius-md: 14px;
  --os-radius-lg: 20px;
  --os-radius-xl: 26px;
  --os-radius-pill: 9999px;

  /* Soft Light Shadows */
  --os-shadow-xs: 0 1px 3px rgba(15, 23, 42, 0.05);
  --os-shadow-sm: 0 4px 15px rgba(15, 23, 42, 0.04);
  --os-shadow-md: 0 10px 30px rgba(15, 23, 42, 0.06);
  --os-shadow-lg: 0 20px 45px rgba(15, 23, 42, 0.08);
  --os-shadow-btn: 0 4px 16px rgba(2, 132, 199, 0.25);
  --os-shadow-btn-hover: 0 8px 24px rgba(2, 132, 199, 0.35);
}

/* Reset & Global Base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body.os-body {
  font-family: var(--os-font-body);
  background-color: var(--os-bg-main);
  color: var(--os-text-body);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
  min-height: 100vh;
}

/* Soft Ambient Radial Backgrounds */
.os-ambient-light {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.os-ambient-orb-1 {
  position: absolute;
  top: -10%;
  left: 20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(2, 132, 199, 0.05) 0%, rgba(2, 132, 199, 0) 70%);
  filter: blur(80px);
}

.os-ambient-orb-2 {
  position: absolute;
  top: 45%;
  right: -5%;
  width: 550px;
  height: 550px;
  background: radial-gradient(circle, rgba(16, 185, 129, 0.04) 0%, rgba(16, 185, 129, 0) 70%);
  filter: blur(90px);
}

.os-ambient-orb-3 {
  position: absolute;
  bottom: 5%;
  left: -5%;
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.04) 0%, rgba(37, 99, 235, 0) 70%);
  filter: blur(100px);
}

/* Container */
.os-container {
  max-width: 1260px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

/* Header & Distinct Grayish-White Navbar */
.os-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  transition: all 0.25s ease;
  padding: 15px 0;
  background: #F1F5F9;
  border-bottom: 1px solid #E2E8F0;
  box-shadow: 0 1px 4px rgba(15, 23, 42, 0.04);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.os-header.scrolled {
  background: #E8EEF5;
  border-bottom: 1px solid #CBD5E1;
  padding: 12px 0;
  box-shadow: 0 4px 18px rgba(15, 23, 42, 0.06);
}

.os-navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

/* Brand Logo */
.os-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-family: var(--os-font-heading);
  font-weight: 800;
  font-size: 1.55rem;
  color: var(--os-text-heading);
  letter-spacing: -0.02em;
}

.os-brand-icon {
  width: 38px;
  height: 38px;
  background: var(--os-gradient-primary);
  border-radius: var(--os-radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.25rem;
  box-shadow: 0 2px 10px rgba(2, 132, 199, 0.3);
  position: relative;
}

.os-brand-icon::after {
  content: '';
  position: absolute;
  top: -2px;
  right: -2px;
  width: 8px;
  height: 8px;
  background-color: var(--os-accent-green);
  border-radius: 50%;
  border: 2px solid #FFFFFF;
}

.os-brand span {
  color: var(--os-text-heading);
}

.os-live-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 4px 10px;
  border-radius: var(--os-radius-pill);
  background: #ECFDF5;
  color: var(--os-accent-green);
  border: 1px solid #A7F3D0;
}

.os-live-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--os-accent-emerald);
  box-shadow: 0 0 6px var(--os-accent-emerald);
  animation: pulseLive 1.8s infinite;
}

@keyframes pulseLive {
  0% { transform: scale(0.9); opacity: 0.7; }
  50% { transform: scale(1.3); opacity: 1; }
  100% { transform: scale(0.9); opacity: 0.7; }
}

/* Nav Menu */
.os-nav-links {
  display: flex;
  align-items: center;
  gap: 20px;
  list-style: none;
  margin: 0;
  margin-left: auto;
  padding: 0;
}

.os-nav-link {
  color: var(--os-text-body);
  font-size: 0.92rem;
  font-weight: 500;
  text-decoration: none;
  transition: color 0.2s ease;
  position: relative;
  padding: 6px 0;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.os-nav-link:hover {
  color: var(--os-primary);
}

.os-nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 2px;
  background: var(--os-primary);
  transition: width 0.2s ease;
  border-radius: 2px;
}

.os-nav-link:hover::after {
  width: 100%;
}

/* Modern Dropdowns */
.os-dropdown {
  position: relative;
}

.os-dropdown-menu {
  position: absolute;
  top: calc(100% + 10px);
  left: 0;
  min-width: 210px;
  background: #FFFFFF;
  border: 1px solid var(--os-border);
  border-radius: var(--os-radius-md);
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.08);
  padding: 6px 0;
  display: none;
  z-index: 1005;
}

.os-dropdown-menu.dropdown-menu-right {
  left: auto;
  right: 0;
}

.os-dropdown:hover .os-dropdown-menu,
.os-dropdown.open .os-dropdown-menu {
  display: block;
  animation: dropdownFadeIn 0.2s ease;
}

@keyframes dropdownFadeIn {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: translateY(0); }
}

.os-dropdown-item {
  display: block;
  padding: 8px 18px;
  color: var(--os-text-body);
  font-size: 0.88rem;
  font-weight: 500;
  text-decoration: none;
  transition: all 0.15s ease;
  white-space: nowrap;
}

.os-dropdown-item:hover {
  background: var(--os-bg-secondary);
  color: var(--os-primary);
}

/* Nav Actions */
.os-nav-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

/* Mobile Toggle */
.os-mobile-toggle {
  display: none;
  background: transparent;
  border: none;
  color: var(--os-text-heading);
  font-size: 1.6rem;
  cursor: pointer;
  padding: 4px;
}

/* Buttons */
.os-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 22px;
  font-size: 0.92rem;
  font-weight: 600;
  font-family: var(--os-font-body);
  border-radius: var(--os-radius-pill);
  text-decoration: none;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  border: 1px solid transparent;
  white-space: nowrap;
}

.os-btn-primary {
  background: var(--os-gradient-primary);
  color: #fff;
  box-shadow: var(--os-shadow-btn);
}

.os-btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--os-shadow-btn-hover);
  color: #fff;
}

.os-btn-secondary {
  background: #FFFFFF;
  color: var(--os-text-heading);
  border: 1px solid var(--os-border);
  box-shadow: var(--os-shadow-xs);
}

.os-btn-secondary:hover {
  background: var(--os-bg-secondary);
  border-color: #CBD5E1;
  color: var(--os-primary);
  transform: translateY(-2px);
}

.os-btn-ghost {
  background: transparent;
  color: var(--os-text-body);
}

.os-btn-ghost:hover {
  color: var(--os-primary);
}

.os-btn-lg {
  padding: 15px 32px;
  font-size: 1.05rem;
  border-radius: var(--os-radius-pill);
}

.os-btn-emerald {
  background: var(--os-gradient-accent);
  color: #FFFFFF;
  font-weight: 600;
  box-shadow: 0 4px 16px rgba(5, 150, 105, 0.25);
}

.os-btn-emerald:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(5, 150, 105, 0.35);
  color: #FFFFFF;
}

/* Hero Section */
.os-hero {
  padding-top: 140px;
  padding-bottom: 80px;
  position: relative;
}

.os-hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: 50px;
}

.os-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: var(--os-radius-pill);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  background: #EFF6FF;
  border: 1px solid #BFDBFE;
  color: var(--os-primary);
  margin-bottom: 24px;
}

.os-hero-title {
  font-family: var(--os-font-heading);
  font-size: 3.4rem;
  font-weight: 800;
  line-height: 1.15;
  color: var(--os-text-heading);
  letter-spacing: -0.03em;
  margin-bottom: 22px;
}

.os-hero-title .text-gradient {
  background: linear-gradient(135deg, #0284C7 0%, #2563EB 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.os-hero-subtitle {
  font-size: 1.18rem;
  color: var(--os-text-body);
  line-height: 1.7;
  margin-bottom: 36px;
  max-width: 600px;
}

.os-hero-cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  margin-bottom: 40px;
}

.os-hero-trust {
  display: flex;
  align-items: center;
  gap: 20px;
  padding-top: 24px;
  border-top: 1px solid var(--os-border);
}

.os-avatars {
  display: flex;
  align-items: center;
}

.os-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 2px solid #FFFFFF;
  margin-left: -10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 11px;
}

.os-avatar:first-child {
  margin-left: 0;
}

.os-trust-text {
  font-size: 0.86rem;
  color: var(--os-text-body);
}

.os-trust-text strong {
  color: var(--os-text-heading);
}

.os-rating-stars {
  color: #F59E0B;
  font-size: 0.85rem;
  margin-bottom: 2px;
}

/* Hero Showcase Screen Frame */
.os-screen-mockup {
  position: relative;
  border-radius: var(--os-radius-lg);
  padding: 10px;
  background: #FFFFFF;
  box-shadow: 0 20px 50px rgba(15, 23, 42, 0.12), 0 1px 3px rgba(15, 23, 42, 0.05);
  border: 1px solid var(--os-border);
  transition: transform 0.3s ease;
}

.os-screen-mockup:hover {
  transform: translateY(-4px);
}

.os-screen-bezel {
  position: relative;
  border-radius: calc(var(--os-radius-lg) - 4px);
  overflow: hidden;
  background: #000;
  aspect-ratio: 16 / 10;
}

.os-screen-bezel img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.os-screen-overlay-top {
  position: absolute;
  top: 14px;
  left: 14px;
  right: 14px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  pointer-events: none;
  z-index: 2;
}

.os-screen-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  background: rgba(15, 23, 42, 0.75);
  backdrop-filter: blur(8px);
  border-radius: var(--os-radius-pill);
  font-size: 0.75rem;
  color: #fff;
  font-weight: 600;
}

.os-screen-overlay-bottom {
  position: absolute;
  bottom: 14px;
  left: 14px;
  right: 14px;
  padding: 12px 16px;
  background: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(14px);
  border-radius: var(--os-radius-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 2;
}

.os-overlay-info {
  display: flex;
  flex-direction: column;
}

.os-overlay-title {
  color: #fff;
  font-weight: 700;
  font-size: 0.85rem;
}

.os-overlay-sub {
  color: var(--os-accent-emerald);
  font-size: 0.75rem;
  display: flex;
  align-items: center;
  gap: 4px;
}

.os-overlay-stat {
  text-align: right;
}

.os-overlay-stat .val {
  color: #fff;
  font-weight: 800;
  font-size: 1.1rem;
}

.os-overlay-stat .lbl {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.7rem;
  text-transform: uppercase;
}

/* Floating Badges */
.os-floating-card {
  position: absolute;
  background: #FFFFFF;
  border: 1px solid var(--os-border);
  padding: 12px 18px;
  border-radius: var(--os-radius-md);
  box-shadow: 0 15px 35px rgba(15, 23, 42, 0.1);
  display: flex;
  align-items: center;
  gap: 12px;
  z-index: 3;
  animation: floatCard 6s ease-in-out infinite;
}

.os-floating-card-1 {
  bottom: -20px;
  left: -20px;
}

.os-floating-card-2 {
  top: -20px;
  right: -20px;
  animation-delay: -3s;
}

@keyframes floatCard {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

.os-floating-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
}

.os-floating-icon.blue {
  background: #EFF6FF;
  color: var(--os-primary);
}

.os-floating-icon.green {
  background: #ECFDF5;
  color: var(--os-accent-green);
}

.os-floating-text h5 {
  color: var(--os-text-heading);
  font-size: 0.88rem;
  font-weight: 700;
  margin-bottom: 2px;
}

.os-floating-text p {
  color: var(--os-text-muted);
  font-size: 0.75rem;
  margin: 0;
}

/* Stats Ribbon Section */
.os-stats-section {
  padding: 10px 0 60px 0;
}

.os-stats-ribbon {
  background: #FFFFFF;
  border: 1px solid var(--os-border);
  border-radius: var(--os-radius-lg);
  padding: 30px 40px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  box-shadow: var(--os-shadow-sm);
}

.os-stat-item {
  display: flex;
  align-items: center;
  gap: 18px;
}

.os-stat-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--os-radius-md);
  background: #F0F9FF;
  border: 1px solid #E0F2FE;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--os-primary);
  flex-shrink: 0;
}

.os-stat-value {
  font-family: var(--os-font-heading);
  font-size: 1.9rem;
  font-weight: 800;
  color: var(--os-text-heading);
  line-height: 1.1;
  margin-bottom: 4px;
}

.os-stat-label {
  font-size: 0.84rem;
  color: var(--os-text-body);
  font-weight: 500;
}

/* Section Header Typography */
.os-section {
  padding: 80px 0;
  position: relative;
}

.os-section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 50px auto;
}

.os-tag {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--os-primary);
  background: #EFF6FF;
  border: 1px solid #BFDBFE;
  padding: 5px 14px;
  border-radius: var(--os-radius-pill);
  margin-bottom: 16px;
}

.os-title {
  font-family: var(--os-font-heading);
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--os-text-heading);
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.os-desc {
  font-size: 1.05rem;
  color: var(--os-text-body);
  line-height: 1.7;
}

/* Features Grid */
.os-features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.os-card {
  background: #FFFFFF;
  border: 1px solid var(--os-border);
  border-radius: var(--os-radius-lg);
  padding: 34px 28px;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
  box-shadow: var(--os-shadow-xs);
}

.os-card:hover {
  transform: translateY(-5px);
  border-color: #BAE6FD;
  box-shadow: var(--os-shadow-md);
}

.os-card-icon {
  width: 58px;
  height: 58px;
  border-radius: var(--os-radius-md);
  background: #F0F9FF;
  border: 1px solid #E0F2FE;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.7rem;
  color: var(--os-primary);
  margin-bottom: 22px;
  transition: transform 0.25s ease;
}

.os-card:hover .os-card-icon {
  transform: scale(1.08);
  background: var(--os-gradient-primary);
  color: #fff;
  border-color: transparent;
}

.os-card-title {
  font-family: var(--os-font-heading);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--os-text-heading);
  margin-bottom: 12px;
}

.os-card-text {
  font-size: 0.94rem;
  color: var(--os-text-body);
  line-height: 1.65;
}

/* Two-Target Section (Annonceurs vs Commerçants Vitrines) */
.os-dual-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

.os-dual-card {
  border-radius: var(--os-radius-xl);
  padding: 42px;
  background: #FFFFFF;
  border: 1px solid var(--os-border);
  box-shadow: var(--os-shadow-sm);
  position: relative;
  transition: all 0.25s ease;
}

.os-dual-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--os-shadow-md);
}

.os-dual-card.advertiser {
  border-top: 4px solid var(--os-primary);
}

.os-dual-card.host {
  border-top: 4px solid var(--os-accent-green);
}

.os-dual-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: var(--os-radius-pill);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.os-dual-card.advertiser .os-dual-badge {
  background: #EFF6FF;
  color: var(--os-primary);
  border: 1px solid #BFDBFE;
}

.os-dual-card.host .os-dual-badge {
  background: #ECFDF5;
  color: var(--os-accent-green);
  border: 1px solid #A7F3D0;
}

.os-dual-title {
  font-family: var(--os-font-heading);
  font-size: 1.85rem;
  font-weight: 800;
  color: var(--os-text-heading);
  margin-bottom: 14px;
}

.os-dual-desc {
  font-size: 0.98rem;
  color: var(--os-text-body);
  margin-bottom: 26px;
  line-height: 1.6;
}

.os-checklist {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 34px;
}

.os-check-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.94rem;
  color: var(--os-text-title);
}

.os-check-item i {
  font-size: 1.15rem;
  flex-shrink: 0;
  margin-top: 2px;
}

.os-dual-card.advertiser .os-check-item i {
  color: var(--os-primary);
}

.os-dual-card.host .os-check-item i {
  color: var(--os-accent-green);
}

/* Steps Process (Comment ça marche) */
.os-steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.os-step-card {
  background: #FFFFFF;
  border: 1px solid var(--os-border);
  border-radius: var(--os-radius-lg);
  padding: 30px 24px;
  position: relative;
  transition: all 0.25s ease;
  box-shadow: var(--os-shadow-xs);
}

.os-step-card:hover {
  transform: translateY(-4px);
  border-color: #BAE6FD;
  box-shadow: var(--os-shadow-md);
}

.os-step-number {
  font-family: var(--os-font-heading);
  font-size: 2.8rem;
  font-weight: 900;
  color: #E2E8F0;
  line-height: 1;
  margin-bottom: 16px;
  transition: color 0.25s ease;
}

.os-step-card:hover .os-step-number {
  color: #BAE6FD;
}

.os-step-title {
  font-family: var(--os-font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--os-text-heading);
  margin-bottom: 10px;
}

.os-step-desc {
  font-size: 0.88rem;
  color: var(--os-text-body);
  line-height: 1.6;
}

/* Pricing / Diffusion Packages */
.os-pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  align-items: stretch;
}

.os-price-card {
  background: #FFFFFF;
  border: 1px solid var(--os-border);
  border-radius: var(--os-radius-xl);
  padding: 40px 32px;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: all 0.3s ease;
  box-shadow: var(--os-shadow-xs);
}

.os-price-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--os-shadow-lg);
}

.os-price-card.popular {
  border-color: var(--os-primary);
  border-width: 2px;
  box-shadow: 0 10px 35px rgba(2, 132, 199, 0.12);
  transform: scale(1.03);
}

.os-price-card.popular:hover {
  transform: scale(1.03) translateY(-6px);
}

.os-card-badge-top {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--os-gradient-primary);
  color: #fff;
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 5px 16px;
  border-radius: var(--os-radius-pill);
  box-shadow: 0 4px 12px rgba(2, 132, 199, 0.35);
}

.os-tier-header {
  margin-bottom: 24px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--os-border);
}

.os-tier-name {
  font-family: var(--os-font-heading);
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--os-text-heading);
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}

.os-tier-badge {
  font-size: 0.78rem;
  padding: 4px 10px;
  border-radius: var(--os-radius-pill);
  font-weight: 700;
}

.badge-bronze {
  background: #FEF3C7;
  color: #B45309;
  border: 1px solid #FDE68A;
}

.badge-silver {
  background: #EFF6FF;
  color: #1D4ED8;
  border: 1px solid #BFDBFE;
}

.badge-gold {
  background: #FEF9C3;
  color: #A16207;
  border: 1px solid #FEF08A;
}

.os-tier-tagline {
  font-size: 0.88rem;
  color: var(--os-text-body);
}

.os-tier-meta {
  margin-bottom: 24px;
  background: #F8FAFC;
  border-radius: var(--os-radius-md);
  padding: 14px 18px;
  border: 1px solid var(--os-border);
}

.os-meta-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.86rem;
  padding: 6px 0;
}

.os-meta-row:not(:last-child) {
  border-bottom: 1px solid #E2E8F0;
}

.os-meta-label {
  color: var(--os-text-muted);
}

.os-meta-val {
  color: var(--os-text-heading);
  font-weight: 600;
}

.os-tier-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 30px;
  flex-grow: 1;
}

.os-tier-features li {
  font-size: 0.9rem;
  color: var(--os-text-title);
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.os-tier-features li i {
  color: var(--os-accent-green);
  font-size: 1.05rem;
  flex-shrink: 0;
  margin-top: 2px;
}

/* Interactive Simulator */
.os-simulator-box {
  background: #FFFFFF;
  border: 1px solid var(--os-border);
  border-radius: var(--os-radius-xl);
  padding: 48px;
  box-shadow: var(--os-shadow-md);
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 48px;
  align-items: center;
}

.os-sim-controls {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.os-sim-group label {
  display: flex;
  justify-content: space-between;
  color: var(--os-text-heading);
  font-weight: 600;
  font-size: 0.95rem;
  margin-bottom: 12px;
}

.os-sim-group label span.val-highlight {
  color: var(--os-primary);
  font-weight: 700;
  font-family: var(--os-font-heading);
  font-size: 1.1rem;
}

.os-slider {
  width: 100%;
  height: 8px;
  border-radius: var(--os-radius-pill);
  background: #E2E8F0;
  outline: none;
  -webkit-appearance: none;
  cursor: pointer;
}

.os-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--os-primary);
  box-shadow: 0 2px 8px rgba(2, 132, 199, 0.4);
  border: 2px solid #fff;
  cursor: pointer;
  transition: transform 0.15s ease;
}

.os-slider::-webkit-slider-thumb:hover {
  transform: scale(1.15);
}

.os-tier-selector {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.os-tier-btn {
  background: #F8FAFC;
  border: 1px solid var(--os-border);
  color: var(--os-text-body);
  padding: 10px 14px;
  border-radius: var(--os-radius-md);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  text-align: center;
  transition: all 0.2s ease;
}

.os-tier-btn.active {
  background: #EFF6FF;
  border-color: var(--os-primary);
  color: var(--os-primary);
  font-weight: 700;
  box-shadow: 0 2px 8px rgba(2, 132, 199, 0.15);
}

.os-sim-result-card {
  background: #F8FAFC;
  border: 1px solid var(--os-border);
  border-radius: var(--os-radius-lg);
  padding: 34px;
  text-align: center;
  position: relative;
}

.os-result-metric {
  margin-bottom: 24px;
}

.os-metric-val {
  font-family: var(--os-font-heading);
  font-size: 3rem;
  font-weight: 900;
  color: var(--os-text-heading);
  line-height: 1;
  margin-bottom: 6px;
}

.os-metric-lbl {
  color: var(--os-text-muted);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
}

.os-result-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  padding: 16px 0;
  border-top: 1px solid var(--os-border);
  border-bottom: 1px solid var(--os-border);
  margin-bottom: 24px;
}

.os-sub-metric h6 {
  font-family: var(--os-font-heading);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--os-accent-green);
  margin-bottom: 2px;
}

.os-sub-metric span {
  font-size: 0.78rem;
  color: var(--os-text-muted);
}

/* Gallery Showcase */
.os-gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.os-gallery-card {
  border-radius: var(--os-radius-lg);
  overflow: hidden;
  background: #FFFFFF;
  border: 1px solid var(--os-border);
  transition: all 0.25s ease;
  box-shadow: var(--os-shadow-xs);
}

.os-gallery-card:hover {
  transform: translateY(-5px);
  border-color: #BAE6FD;
  box-shadow: var(--os-shadow-md);
}

.os-gallery-img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease;
}

.os-gallery-card:hover .os-gallery-img {
  transform: scale(1.03);
}

.os-gallery-content {
  padding: 22px 20px;
}

.os-gallery-badge {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--os-primary);
  background: #EFF6FF;
  border: 1px solid #BFDBFE;
  padding: 3px 8px;
  border-radius: var(--os-radius-pill);
  margin-bottom: 8px;
}

.os-gallery-title {
  font-family: var(--os-font-heading);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--os-text-heading);
  margin-bottom: 6px;
}

.os-gallery-desc {
  font-size: 0.86rem;
  color: var(--os-text-body);
}

/* FAQ Accordion */
.os-faq-container {
  max-width: 820px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.os-faq-item {
  background: #FFFFFF;
  border: 1px solid var(--os-border);
  border-radius: var(--os-radius-md);
  overflow: hidden;
  transition: all 0.2s ease;
  box-shadow: var(--os-shadow-xs);
}

.os-faq-item.active {
  border-color: #BAE6FD;
  box-shadow: var(--os-shadow-sm);
}

.os-faq-question {
  padding: 20px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  color: var(--os-text-heading);
  font-weight: 600;
  font-size: 1.05rem;
  user-select: none;
}

.os-faq-question i {
  color: var(--os-primary);
  transition: transform 0.25s ease;
}

.os-faq-item.active .os-faq-question i {
  transform: rotate(180deg);
}

.os-faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
  padding: 0 24px;
  color: var(--os-text-body);
  font-size: 0.94rem;
  line-height: 1.65;
}

.os-faq-item.active .os-faq-answer {
  max-height: 300px;
  padding: 0 24px 20px 24px;
}

/* Call to Action Banner */
.os-cta-banner {
  background: var(--os-gradient-primary);
  border-radius: var(--os-radius-xl);
  padding: 60px 48px;
  text-align: center;
  position: relative;
  overflow: hidden;
  box-shadow: 0 15px 40px rgba(2, 132, 199, 0.25);
  color: #FFFFFF;
}

.os-cta-title {
  font-family: var(--os-font-heading);
  font-size: 2.6rem;
  font-weight: 800;
  color: #FFFFFF;
  margin-bottom: 16px;
}

.os-cta-subtitle {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.9);
  max-width: 680px;
  margin: 0 auto 34px auto;
}

.os-cta-banner .os-btn-primary {
  background: #FFFFFF;
  color: var(--os-primary);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.os-cta-banner .os-btn-primary:hover {
  background: #F8FAFC;
  color: var(--os-primary-dark);
}

.os-cta-banner .os-btn-secondary {
  background: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.3);
  color: #FFFFFF;
}

.os-cta-banner .os-btn-secondary:hover {
  background: rgba(255, 255, 255, 0.25);
  color: #FFFFFF;
}

/* Footer */
.os-footer {
  background: #FFFFFF;
  border-top: 1px solid var(--os-border);
  padding: 70px 0 30px 0;
  position: relative;
  z-index: 10;
}

.os-footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 40px;
  margin-bottom: 50px;
}

.os-footer-brand {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.os-footer-desc {
  font-size: 0.9rem;
  color: var(--os-text-body);
  line-height: 1.6;
}

.os-footer-col h5 {
  color: var(--os-text-heading);
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 20px;
  font-family: var(--os-font-heading);
}

.os-footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.os-footer-link {
  color: var(--os-text-body);
  text-decoration: none;
  font-size: 0.88rem;
  transition: color 0.2s ease, transform 0.2s ease;
  display: inline-block;
}

.os-footer-link:hover {
  color: var(--os-primary);
  transform: translateX(3px);
}

.os-footer-socials {
  display: flex;
  gap: 12px;
  margin-top: 16px;
}

.os-social-btn {
  width: 38px;
  height: 38px;
  border-radius: var(--os-radius-sm);
  background: var(--os-bg-secondary);
  border: 1px solid var(--os-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--os-text-heading);
  font-size: 1.1rem;
  text-decoration: none;
  transition: all 0.2s ease;
}

.os-social-btn:hover {
  background: var(--os-primary);
  color: #fff;
  border-color: var(--os-primary);
  transform: translateY(-2px);
}

.os-footer-bottom {
  padding-top: 25px;
  border-top: 1px solid var(--os-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.84rem;
  color: var(--os-text-muted);
}

.os-footer-bottom a {
  color: var(--os-primary);
  text-decoration: none;
}

.os-footer-bottom a:hover {
  text-decoration: underline;
}

/* ==========================================================================
   Contact Page Styles
   ========================================================================== */
.os-contact-section {
  padding: 110px 0 80px 0;
  position: relative;
  z-index: 1;
}

.os-contact-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 48px auto;
}

.os-contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.25fr;
  gap: 36px;
  align-items: start;
}

.os-contact-sidebar {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.os-advisor-card {
  background: #FFFFFF;
  border: 1px solid var(--os-border);
  border-radius: var(--os-radius-lg);
  overflow: hidden;
  box-shadow: var(--os-shadow-card);
  position: relative;
}

.os-advisor-img-box {
  position: relative;
  width: 100%;
  height: 250px;
  overflow: hidden;
  background: #E2E8F0;
}

.os-advisor-img-box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.os-advisor-card:hover .os-advisor-img-box img {
  transform: scale(1.02);
}

.os-advisor-badge {
  position: absolute;
  bottom: 12px;
  left: 12px;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  padding: 6px 14px;
  border-radius: var(--os-radius-pill);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--os-text-heading);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}

.os-advisor-body {
  padding: 22px;
}

.os-advisor-title {
  font-family: var(--os-font-heading);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--os-text-heading);
  margin-bottom: 4px;
}

.os-advisor-desc {
  font-size: 0.88rem;
  color: var(--os-text-body);
  line-height: 1.5;
  margin: 0;
}

.os-contact-channels {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.os-channel-card {
  background: #FFFFFF;
  border: 1px solid var(--os-border);
  border-radius: var(--os-radius-md);
  padding: 16px 20px;
  display: flex;
  align-items: center;
  gap: 16px;
  transition: all 0.2s ease;
  box-shadow: var(--os-shadow-xs);
  text-decoration: none;
  color: inherit;
}

.os-channel-card:hover {
  transform: translateY(-2px);
  border-color: var(--os-primary-light);
  box-shadow: var(--os-shadow-card);
  color: inherit;
}

.os-channel-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--os-radius-md);
  background: #EFF6FF;
  color: var(--os-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  flex-shrink: 0;
  border: 1px solid #DBEAFE;
}

.os-channel-icon.green {
  background: #ECFDF5;
  color: var(--os-accent-green);
  border-color: #A7F3D0;
}

.os-channel-icon.cyan {
  background: #ECFEFF;
  color: #0891B2;
  border-color: #BAE6FD;
}

.os-channel-content h4 {
  font-family: var(--os-font-heading);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--os-text-heading);
  margin-bottom: 2px;
}

.os-channel-content p {
  font-size: 0.9rem;
  color: var(--os-text-body);
  margin: 0;
  font-weight: 600;
}

.os-channel-content span {
  font-size: 0.78rem;
  color: var(--os-text-muted);
}

/* Contact Form Card */
.os-form-card {
  background: #FFFFFF;
  border: 1px solid var(--os-border);
  border-radius: var(--os-radius-lg);
  padding: 38px;
  box-shadow: var(--os-shadow-card);
  position: relative;
}

.os-form-card-header {
  margin-bottom: 28px;
}

.os-form-card-title {
  font-family: var(--os-font-heading);
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--os-text-heading);
  margin-bottom: 6px;
}

.os-form-card-subtitle {
  font-size: 0.92rem;
  color: var(--os-text-body);
  margin: 0;
}

.os-form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.os-form-group {
  margin-bottom: 18px;
}

.os-field-label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--os-text-heading);
  margin-bottom: 8px;
}

.os-field-control {
  width: 100%;
  padding: 12px 16px;
  border-radius: var(--os-radius-md);
  border: 1px solid var(--os-border);
  background: #FFFFFF;
  color: var(--os-text-heading);
  font-family: var(--os-font-body);
  font-size: 0.92rem;
  transition: all 0.2s ease;
  outline: none;
  box-sizing: border-box;
}

.os-field-control:focus {
  border-color: var(--os-primary);
  box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.12);
  background: #FFFFFF;
}

.os-field-control::placeholder {
  color: #94A3B8;
}

.os-field-error {
  font-size: 0.8rem;
  color: #EF4444;
  margin-top: 4px;
  display: block;
  font-weight: 500;
}

.os-trust-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  color: var(--os-text-muted);
  margin-top: 18px;
  justify-content: center;
}

.os-trust-badge i {
  color: var(--os-accent-green);
  font-size: 0.95rem;
}

/* ==========================================================================
   Authentication Pages Styles (Login & Register)
   ========================================================================== */
.os-auth-section {
  padding: 110px 0 80px 0;
  position: relative;
  z-index: 1;
}

.os-auth-container {
  max-width: 1100px;
  margin: 0 auto;
}

.os-auth-layout {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 36px;
  align-items: stretch;
}

.os-auth-card {
  background: #FFFFFF;
  border: 1px solid var(--os-border);
  border-radius: var(--os-radius-lg);
  padding: 42px 38px;
  box-shadow: var(--os-shadow-card);
  position: relative;
}

.os-auth-showcase {
  background: #FFFFFF;
  border: 1px solid var(--os-border);
  border-radius: var(--os-radius-lg);
  padding: 38px;
  box-shadow: var(--os-shadow-card);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  overflow: hidden;
}

.os-auth-header {
  margin-bottom: 28px;
}

.os-auth-title {
  font-family: var(--os-font-heading);
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--os-text-heading);
  margin-bottom: 8px;
}

.os-auth-subtitle {
  font-size: 0.92rem;
  color: var(--os-text-body);
  margin: 0;
}

.os-auth-showcase-title {
  font-family: var(--os-font-heading);
  font-size: 1.7rem;
  font-weight: 800;
  color: var(--os-text-heading);
  line-height: 1.25;
  margin-bottom: 14px;
}

.os-auth-showcase-desc {
  font-size: 0.92rem;
  color: var(--os-text-body);
  line-height: 1.6;
  margin-bottom: 24px;
}

.os-auth-features {
  list-style: none;
  padding: 0;
  margin: 0 0 28px 0;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.os-auth-feature-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.9rem;
  color: var(--os-text-body);
}

.os-auth-feature-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: #EFF6FF;
  color: var(--os-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  flex-shrink: 0;
  border: 1px solid #DBEAFE;
}

.os-auth-preview-box {
  border-radius: var(--os-radius-md);
  overflow: hidden;
  border: 1px solid var(--os-border);
  position: relative;
  box-shadow: var(--os-shadow-xs);
  height: 180px;
}

.os-auth-preview-box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.os-auth-preview-badge {
  position: absolute;
  bottom: 10px;
  left: 10px;
  background: rgba(15, 23, 42, 0.75);
  backdrop-filter: blur(6px);
  color: #FFFFFF;
  padding: 4px 10px;
  border-radius: var(--os-radius-pill);
  font-size: 0.75rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.os-input-icon-wrap {
  position: relative;
  display: flex;
  align-items: center;
}

.os-input-icon {
  position: absolute;
  left: 14px;
  color: #94A3B8;
  font-size: 1.1rem;
  pointer-events: none;
  transition: color 0.2s ease;
}

.os-field-control.with-icon {
  padding-left: 42px;
}

.os-input-icon-wrap:focus-within .os-input-icon {
  color: var(--os-primary);
}

.os-password-toggle {
  position: absolute;
  right: 14px;
  background: transparent;
  border: none;
  color: #94A3B8;
  cursor: pointer;
  padding: 4px;
  font-size: 1.05rem;
  transition: color 0.2s ease;
}

.os-password-toggle:hover {
  color: var(--os-text-heading);
}

.os-form-check {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  user-select: none;
}

.os-form-check input[type="checkbox"] {
  width: 16px;
  height: 16px;
  border-radius: 4px;
  accent-color: var(--os-primary);
  cursor: pointer;
}

.os-form-check-label {
  font-size: 0.88rem;
  color: var(--os-text-body);
  cursor: pointer;
}

.os-auth-footer-links {
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--os-border);
  display: flex;
  flex-direction: column;
  gap: 10px;
  text-align: center;
  font-size: 0.88rem;
}

.os-auth-footer-links a {
  color: var(--os-primary);
  text-decoration: none;
  font-weight: 600;
  transition: color 0.2s ease;
}

.os-auth-footer-links a:hover {
  text-decoration: underline;
  color: var(--os-primary-dark);
}

.os-form-section-title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--os-font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--os-text-heading);
  margin: 24px 0 16px 0;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--os-border);
}

.os-form-section-number {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: #EFF6FF;
  color: var(--os-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 700;
  border: 1px solid #DBEAFE;
}

.os-alert-error {
  background: #FEF2F2;
  border: 1px solid #FEE2E2;
  border-left: 4px solid #EF4444;
  color: #991B1B;
  padding: 14px 18px;
  border-radius: var(--os-radius-md);
  margin-bottom: 22px;
  font-size: 0.88rem;
}

.os-alert-error p {
  margin: 0;
}

/* Responsive Media Queries */
@media (max-width: 1024px) {
  .os-auth-layout {
    grid-template-columns: 1fr;
  }
  .os-contact-layout {
    grid-template-columns: 1fr;
  }
  .os-hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .os-hero-subtitle {
    margin: 0 auto 36px auto;
  }
  .os-hero-cta {
    justify-content: center;
  }
  .os-hero-trust {
    justify-content: center;
  }
  .os-features-grid,
  .os-pricing-grid,
  .os-gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .os-price-card.popular {
    transform: none;
  }
  .os-steps-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .os-stats-ribbon {
    grid-template-columns: repeat(2, 1fr);
  }
  .os-dual-section {
    grid-template-columns: 1fr;
  }
  .os-simulator-box {
    grid-template-columns: 1fr;
    padding: 32px 24px;
  }
  .os-footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .os-nav-links, .os-nav-actions {
    display: none;
  }
  .os-mobile-toggle {
    display: block;
  }
  .os-nav-links.mobile-open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #FFFFFF;
    border-bottom: 1px solid var(--os-border);
    padding: 24px;
    gap: 18px;
    box-shadow: 0 10px 30px rgba(15, 23, 42, 0.08);
  }
  .os-hero-title {
    font-size: 2.3rem;
  }
  .os-features-grid,
  .os-pricing-grid,
  .os-gallery-grid,
  .os-steps-grid,
  .os-stats-ribbon,
  .os-reassurance-grid,
  .os-footer-grid {
    grid-template-columns: 1fr;
  }
  .os-floating-card {
    display: none;
  }
  .os-cta-title {
    font-size: 1.9rem;
  }
  .os-cta-banner {
    padding: 40px 20px;
  }
  .os-footer-bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }
}

/* ==========================================================================
   Dashboard, KPI & DataTables Modern Theme Classes
   ========================================================================== */

.os-page-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 28px;
  flex-wrap: wrap;
  gap: 16px;
}

.os-page-title {
  font-family: var(--os-font-heading);
  font-size: 1.85rem;
  font-weight: 800;
  color: var(--os-text-heading);
  margin: 0 0 4px 0;
}

.os-page-subtitle {
  font-size: 0.92rem;
  color: var(--os-text-body);
  margin: 0;
}

.os-kpi-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 28px;
}

.os-kpi-card {
  background: #FFFFFF;
  border: 1px solid var(--os-border);
  border-radius: var(--os-radius-md);
  padding: 22px;
  box-shadow: var(--os-shadow-xs);
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  position: relative;
  overflow: hidden;
}

.os-kpi-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--os-shadow-card);
}

.os-kpi-label {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--os-text-muted);
  margin-bottom: 6px;
}

.os-kpi-value {
  font-family: var(--os-font-heading);
  font-size: 1.85rem;
  font-weight: 800;
  color: var(--os-text-heading);
  line-height: 1.1;
}

.os-kpi-icon-box {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  flex-shrink: 0;
}

.os-kpi-icon-box.blue {
  background: #EFF6FF;
  color: #2563EB;
  border: 1px solid #DBEAFE;
}

.os-kpi-icon-box.green {
  background: #ECFDF5;
  color: #10B981;
  border: 1px solid #A7F3D0;
}

.os-kpi-icon-box.cyan {
  background: #F0FDF4;
  color: #06B6D4;
  border: 1px solid #CFFAFE;
}

.os-kpi-icon-box.amber {
  background: #FFFBEB;
  color: #F59E0B;
  border: 1px solid #FDE68A;
}

.os-kpi-icon-box.red {
  background: #FEF2F2;
  color: #EF4444;
  border: 1px solid #FEE2E2;
}

.os-kpi-icon-box.purple {
  background: #F5F3FF;
  color: #8B5CF6;
  border: 1px solid #DDD6FE;
}

.os-kpi-icon-box.dark {
  background: #F8FAFC;
  color: #334155;
  border: 1px solid #CBD5E1;
}

.os-card {
  background: #FFFFFF;
  border: 1px solid var(--os-border);
  border-radius: var(--os-radius-md);
  box-shadow: var(--os-shadow-xs);
  overflow: hidden;
  margin-bottom: 24px;
}

.os-card-header {
  padding: 18px 24px;
  border-bottom: 1px solid var(--os-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: #FAFAFC;
}

.os-card-title {
  font-family: var(--os-font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--os-text-heading);
  margin: 0;
  display: flex;
  align-items: center;
  gap: 8px;
}

.os-card-body {
  padding: 24px;
}

/* DataTable Custom Styles */
.os-table-wrap {
  background: #FFFFFF;
  border: 1px solid var(--os-border);
  border-radius: var(--os-radius-md);
  padding: 24px;
  box-shadow: var(--os-shadow-xs);
}

table.dataTable {
  border-collapse: separate !important;
  border-spacing: 0 !important;
  width: 100% !important;
  font-size: 0.9rem;
}

table.dataTable thead th {
  background: #F8FAFC !important;
  color: var(--os-text-heading) !important;
  font-family: var(--os-font-heading) !important;
  font-weight: 700 !important;
  font-size: 0.82rem !important;
  text-transform: uppercase !important;
  letter-spacing: 0.05em !important;
  border-bottom: 2px solid var(--os-border) !important;
  border-top: none !important;
  padding: 14px 16px !important;
}

table.dataTable tbody td {
  padding: 14px 16px !important;
  border-bottom: 1px solid #F1F5F9 !important;
  vertical-align: middle !important;
  color: var(--os-text-body);
}

table.dataTable tbody tr:hover {
  background: #F8FAFC !important;
}

.dataTables_wrapper .dataTables_filter input {
  border: 1px solid var(--os-border);
  border-radius: var(--os-radius-sm);
  padding: 6px 12px;
  outline: none;
  font-size: 0.88rem;
  margin-left: 8px;
}

.dataTables_wrapper .dataTables_filter input:focus {
  border-color: var(--os-primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.dataTables_wrapper .dataTables_length select {
  border: 1px solid var(--os-border);
  border-radius: var(--os-radius-sm);
  padding: 4px 8px;
  margin: 0 4px;
}

.os-status-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 0.78rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: var(--os-radius-pill);
}

.os-status-badge.live {
  background: #ECFDF5;
  color: #059669;
  border: 1px solid #A7F3D0;
}

.os-status-badge.draft {
  background: #F1F5F9;
  color: #64748B;
  border: 1px solid #E2E8F0;
}

.os-status-badge.paused {
  background: #FFFBEB;
  color: #D97706;
  border: 1px solid #FDE68A;
}

.os-status-badge.danger {
  background: #FEF2F2;
  color: #DC2626;
  border: 1px solid #FEE2E2;
}

.os-status-badge.info {
  background: #EFF6FF;
  color: #2563EB;
  border: 1px solid #DBEAFE;
}

@media (max-width: 992px) {
  .os-kpi-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 576px) {
  .os-kpi-grid {
    grid-template-columns: 1fr;
  }
}